www.littelfuse.com ?2007 littelfuse speci?cations are subject to change without notice. 69 transient voltage suppression diodes axial leaded C 1500w 1.5ke series agency agency file number e128662/e230531 1.5ke series rohs tvs devices are ideal for the protection of i/o interfaces, v cc bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications. applications features 5 i f , & 4 f s j f t j t e f t j h o f e t q f d j m d b m m z u p q s p u f d u sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. description parameter symbol value unit peak pulse power dissipation by 10x1000s test wavef orm (fig.1) (note 1) p ppm 1500 w steady state power dissipation on ini?nite heat sink at t l =75oc (fig. 5) p d 6.5 w peak forward surge current, 8.3ms single half sine wave unidirectional only (note 2) i fsm 200 a maximum instantaneous forward voltage at 100a for unidirectional only (note 3) v f 3.5/5.0 v operating junction and storage temperature range t j , t stg -55 to 175 c typical thermal resistance junction to lead r ujl 20 c/w typical thermal resistance junction to ambient r uja 75 c/w notes: 1. non-repetitive current pulse , per fig. 3 and derated above t a = 25 o c per fig. 2. 2. measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per minute maximum. 3. v f <3.5v for devices of v br _ < 200v and v f <5.0v for devices of v br _ > 201v. maximum ratings and thermal characteristics (t a =25 o c unless otherwise noted) agency approvals t 3 p ) 4 d p n q m j b o u t 5 z q j d b m n b y j n v n temperature coef?cient v br = 0.1% v br @25c t ( m b t t q b t t j w b u f e d i j q k v o d u j p o j o % 0 package t 8 q f b l q v m t f capability at 101000s wavef orm, repetition rate (duty cycles):0.01% t ' b t u s f t q p o t f u j n f typically less than 1.0ps from 0 volts to bv min t & y d f m m f o u d m b n q j o h capability t - p x j o d s f n f o u b m t v s h f resistance t 5 z q j d b m * r less than 1a above 13v t ) j h i u f n q f s b u v s f soldering guaranteed: 260c/40 seconds / w
n n
m f b e length, 5 lbs., (2.3kg) tension t 1 m b t u j d q b d l b h f i b t underwriters laboratory flammability classi?cation 94v-o t . b u u f 5 j o - f b e o g s f f plated
70 www.littelfuse.com ?2007 littelfuse speci?cations are subject to change without notice. transient voltage suppression diodes axial leaded C 1500w 1.5ke series electrical characteristics part number (uni) part number (bi) reverse stand off voltage v r (volts) breakdown voltage v br (volts) @ i t test current i t (ma) maximum clamping voltage v c @ i pp (volts) maximum peak pulse current i pp (a) maximum reverse leakage i r @ v r (a) agency approval min max , & " , & $ " 5.80 6.45 7.14 10 10.5 144.8 1000 x , & " , & $ " 6.40 7.13 7.88 10 11.3 134.5 500 x , & " , & $ " 7.02 7.79 8.61 10 12.1 125.6 200 x , & " , & $ " 7.78 8.65 9.50 1 13.4 113.4 50 x , & " , & $ " 8.55 9.50 10.50 1 14.5 104.8 10 x , & " , & $ " 9.40 10.50 11.60 1 15.6 97.4 5 x , & " , & $ " 10.20 11.40 12.60 1 16.7 91.0 5 x , & " , & $ " 11.10 12.40 13.70 1 18.2 83.5 1 x , & " , & $ " 12.80 14.30 15.80 1 21.2 71.7 1 x , & " , & $ " 13.60 15.20 16.80 1 22.5 67.6 1 x , & " , & $ " 15.30 17.10 18.90 1 25.2 60.3 1 x , & " , & $ " 17.10 19.00 21.00 1 27.7 54.9 1 x , & " , & $ " 18.80 20.90 23.10 1 30.6 49.7 1 x , & " , & $ " 20.50 22.80 25.20 1 33.2 45.8 1 x , & " , & $ " 23.10 25.70 28.40 1 37.5 40.5 1 x , & " , & $ " 25.60 28.50 31.50 1 41.4 36.7 1 x , & " , & $ " 28.20 31.40 34.70 1 45.7 33.3 1 x , & " , & $ " 30.80 34.20 37.80 1 49.9 30.5 1 x , & " , & $ " 33.30 37.10 41.00 1 53.9 28.2 1 x , & " , & $ " 36.80 40.90 45.20 1 59.3 25.6 1 x , & " , & $ " 40.20 44.70 49.40 1 64.8 23.5 1 x , & " , & $ " 43.60 48.50 53.60 1 70.1 21.7 1 x , & " , & $ " 47.80 53.20 58.80 1 77.0 19.7 1 x , & " , & $ " 53.00 58.90 65.10 1 85.0 17.9 1 x , & " , & $ " 58.10 64.60 71.40 1 92.0 16.5 1 x , & " , & $ " 64.10 71.30 78.80 1 103.0 14.8 1 x , & " , & $ " 70.10 77.90 86.10 1 113.0 13.5 1 x , & " , & $ " 77.80 86.50 95.50 1 125.0 12.2 1 x , & " , & $ " 85.50 95.00 105.00 1 137.0 11.1 1 x , & " , & $ " 94.00 105.00 116.00 1 152.0 10.0 1 x , & " , & $ " 102.00 114.00 126.00 1 165.0 9.2 1 x , & " , & $ " 111.00 124.00 137.00 1 179.0 8.5 1 x , & " , & $ " 128.00 143.00 158.00 1 207.0 7.3 1 x , & " , & $ " 136.00 152.00 168.00 1 219.0 6.9 1 x , & " , & $ " 145.00 162.00 179.00 1 234.0 6.5 1 x , & " , & $ " 154.00 171.00 189.00 1 246.0 6.2 1 x , & " , & $ " 171.00 190.00 210.00 1 274.0 5.5 1 x , & " , & $ " 185.00 209.00 231.00 1 328.0 4.6 1 x , & " , & $ " 214.00 237.00 263.00 1 344.0 4.4 1 x , & " , & $ " 256.00 285.00 315.00 1 414.0 3.7 1x , & " , & $ " 300.00 332.00 368.00 1 482.0 3.2 1 x , & " , & $ " 342.00 380.00 420.00 1 548.0 2.8 1 x , & " , & $ " 376.00 418.00 462.00 1 602.0 2.5 1 x , & " , & $ " 408.00 456.00 504.00 1 658.0 2.3 1 x , & " , & $ " 434.00 485.00 535.00 1 698.0 2.1 1 x , & " , & $ " 477.00 503.50 556.50 1 725.0 2.1 1 x , & " , & $ " 459.00 513.00 567.00 1 740.0 2.0 1 x , & " , & $ " 495.00 522.50 577.50 1 760.0 2.0 1 x for bidirectional type having v r of 10 volts and less, the i r limit is double. for parts without a, the v br is +10% and v c is 5% higher than with a parts.
www.littelfuse.com ?2007 littelfuse speci?cations are subject to change without notice. 71 transient voltage suppression diodes axial leaded C 1500w 1.5ke series ratings and characteristic curves (t a =25c unless otherwise noted) 0.1 1 10 100 1000 0.000001 0.00001 0.0001 0.001 p ppm -peak pulse power (kw) t d -pulse width (sec.) i ppm - peak pulse current, % i rsm 0 0 5 0 100 1 5 0 1.0 2.0 3.0 4.0 t r =10sec peak value i ppm i ppm 2 t j =2 5 c pulse width(td) is de?ned as the point where the peak current decays to 5 0% of i ppm 10/1000sec. waveform as de?ned by r.e.a t d t-time (ms) half value i ppm ( ) t a -ambient temperature (oc) peak pulse power (p pp ) or current (i pp ) derating in percentage % 0 25 50 75 100 125 150 175 200 100 75 50 25 0 1 10 100 1000 10000 100000 1.0 10.0 100.0 1000.0 cj (pf) tj=25c f=1.0mhz vsig=50mvp-p uni-directional v=0v bi-directional v=0v v br - reverse breakdown voltage (v) uni-directional @ v r bi-directional @ v r 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 0 25 50 75 100 125 150 175 200 steady state power dissipation (w) t l - lead temperature(oc) l = 0.375 (9.5mm) lead lengths figure 1 - peak pulse power rating curve figure 2 - pulse derating curve figure 3 - pulse waveform figure 4 - typical junction capacitance figure 5 - steady state power derating curve 0 20 40 60 80 100 120 140 160 180 200 1 10 100 number of cycles at 60 hz i fsm - peak forward surge current (a) figure 6 - maximum non-repetitive peak forward surge current uni-directional only
72 www.littelfuse.com ?2007 littelfuse speci?cations are subject to change without notice. transient voltage suppression diodes axial leaded C 1500w 1.5ke series physical speci?cations weight 0.045oz., 1.2g case + & % & $ % 0 n p m e f e q m b t u j d c p e z p w f s q b t t j w b u f e k v o d u j p o polarity color band denotes the cathode except bipolar. terminal matte tin axial leads, solderable per + & 4 % # % dimensions dimensions inches millimeters min max min max a 1.000 - 25.40 - b 0.285 0.375 7.20 9.50 c 0.038 0.042 0.96 1.07 d 0.190 0.210 4.80 5.30 d a a c b do-201 environmental speci?cations temperature cycle + & 4 % " pressure cooker + & 4 % " high temp. storage + & 4 % " htrb + & 4 % " thermal shock + & 4 % " soldering parameters temperature (t ) time (t) t s(min) t s(max) t l t p t s preheat t l t p ramp-up critical zone t l to t p ramp-down t 25?c to peak 25?c re?ow condition - f b e o g s f f b t t f n c m z pre heat - temperature min (t s(min) ) 150c - temperature max (t s(max) ) 200c - time (min to max) (t s ) o t f d t average ramp up rate (liquidus temp (t l ) to peak 3c/second max t s(max) to t l - ramp-up rate 3c/second max re?ow - temperature (t l ) (liquidus) 217c - time (min to max) (t s ) o t f d p o e t peak temperature (t p ) 260 +0/-5 c time within 5c of actual peak temperature (t p ) o t f d p o e t ramp-down rate 6c/second max time 25c to peak temperature (t p ) 8 minutes max. do not exceed 280c flow/wave soldering (solder dipping) peak temperature : 265 o c dipping time : 10 seconds soldering : 1 time
www.littelfuse.com ?2007 littelfuse speci?cations are subject to change without notice. 73 transient voltage suppression diodes axial leaded C 1500w 1.5ke series part numbering system packaging part number component package quantity packaging option packaging speci?cation , & xxxxx do-201 1200 tape & reel & * " 4 5 % 3 4 & , & xxxxxb do-201 500 box littelfuse concord packing spec. dm-0016 voltage bi-directional 5 % voltage tolerance series 1. 5 ke xxx c a option: suf?x b is for bulk packing. part marking system f 1.5kexxx product type littelfuse logo cathode band
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